CN102046685B - 亲水性聚氨酯涂料 - Google Patents

亲水性聚氨酯涂料 Download PDF

Info

Publication number
CN102046685B
CN102046685B CN200980119370.4A CN200980119370A CN102046685B CN 102046685 B CN102046685 B CN 102046685B CN 200980119370 A CN200980119370 A CN 200980119370A CN 102046685 B CN102046685 B CN 102046685B
Authority
CN
China
Prior art keywords
mol
purposes
coating
polyurethane
polycarbonate polyol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200980119370.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN102046685A (zh
Inventor
J·克歇尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of CN102046685A publication Critical patent/CN102046685A/zh
Application granted granted Critical
Publication of CN102046685B publication Critical patent/CN102046685B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44Polycarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0838Manufacture of polymers in the presence of non-reactive compounds
    • C08G18/0842Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
    • C08G18/0847Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers
    • C08G18/0852Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers the solvents being organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805Compounds having only one group containing active hydrogen
    • C08G18/2815Monohydroxy compounds
    • C08G18/283Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4854Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633Compounds of group C08G18/42
    • C08G18/6637Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/721Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/722Combination of two or more aliphatic and/or cycloaliphatic polyisocyanates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/758Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/80Masked polyisocyanates
    • C08G18/8061Masked polyisocyanates masked with compounds having only one group containing active hydrogen
    • C08G18/8064Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Cosmetics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
CN200980119370.4A 2008-05-28 2009-05-19 亲水性聚氨酯涂料 Expired - Fee Related CN102046685B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008025614.5 2008-05-28
DE102008025614A DE102008025614A1 (de) 2008-05-28 2008-05-28 Hydrophile Polyurethanbeschichtungen
PCT/EP2009/003544 WO2009143978A1 (de) 2008-05-28 2009-05-19 Hydrophile polyurethanbeschichtungen

Publications (2)

Publication Number Publication Date
CN102046685A CN102046685A (zh) 2011-05-04
CN102046685B true CN102046685B (zh) 2014-11-05

Family

ID=40886651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980119370.4A Expired - Fee Related CN102046685B (zh) 2008-05-28 2009-05-19 亲水性聚氨酯涂料

Country Status (6)

Country Link
US (1) US20110077310A1 (enExample)
EP (1) EP2285858A1 (enExample)
JP (1) JP5437364B2 (enExample)
CN (1) CN102046685B (enExample)
DE (1) DE102008025614A1 (enExample)
WO (1) WO2009143978A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110831998A (zh) * 2017-07-04 2020-02-21 科思创德国股份有限公司 包含膨胀型tpu和水基涂层的制品

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012037438A2 (en) * 2010-09-16 2012-03-22 O'Neill LLC Thin-wall polymer coated articles and gloves and a method therefor
WO2013030148A1 (de) * 2011-08-29 2013-03-07 Bayer Intellectual Property Gmbh Hydrophile thermoplastische polyurethane und deren verwendung für die medizintechnik
CN106715509B (zh) * 2014-08-01 2021-07-02 巴斯夫欧洲公司 生产和使用聚氨酯水性分散体的方法及其在涂覆剂中的用途
JPWO2016052139A1 (ja) * 2014-09-29 2017-07-06 住友精化株式会社 親水性塗膜形成用樹脂組成物
WO2016104485A1 (ja) * 2014-12-26 2016-06-30 旭化成株式会社 ポリイソシアネート組成物及びその製造方法、ブロックポリイソシアネート組成物及びその製造方法、樹脂組成物、並びに硬化物
CN107949611A (zh) * 2015-10-30 2018-04-20 三洋化成工业株式会社 溶剂系印刷油墨用粘合剂和使用其的溶剂系印刷油墨
EP3424973A1 (en) * 2017-07-04 2019-01-09 Covestro Deutschland AG Article comprising expanded tpu and a coating

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177141A (en) * 1988-10-22 1993-01-05 Bayer Aktiengesellschaft Coating materials containing pur dispersions and solvents and their use for the preparation of water vapor permeable pur coatings
CN1434729A (zh) * 1999-12-15 2003-08-06 C·R·巴德公司 含有银盐胶体的聚合物组合物
CN1800232A (zh) * 2004-12-13 2006-07-12 拜尔材料科学股份公司 高固体聚氨酯-聚脲分散体
DE102006002156A1 (de) * 2006-01-17 2007-07-19 Bayer Materialscience Ag Polyurethan-Polyharnstoff-Dispersionen auf Basis von Polyether-Polycarbonat-Polyolen

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221798C3 (de) 1972-05-04 1978-07-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyurethanharnstoff-Lösungen
DE2252280C3 (de) 1972-10-25 1981-03-19 Bayer Ag, 5090 Leverkusen Textilbeschichtungen und Syntheseleder aus Polycarbonat-Polyharnstoff-Elastomeren
DE3313239A1 (de) 1983-04-13 1984-10-18 Bayer Ag, 5090 Leverkusen Verfahren zur mehrstrichigen umkehrbeschichtung mit polyurethanloesungen
US5041100A (en) * 1989-04-28 1991-08-20 Cordis Corporation Catheter and hydrophilic, friction-reducing coating thereon
US5061424A (en) * 1991-01-22 1991-10-29 Becton, Dickinson And Company Method for applying a lubricious coating to an article
US5589563A (en) 1992-04-24 1996-12-31 The Polymer Technology Group Surface-modifying endgroups for biomedical polymers
JPH08253547A (ja) * 1995-03-16 1996-10-01 Asahi Glass Co Ltd ポリウレタン溶液組成物
WO1998008884A1 (en) * 1996-08-26 1998-03-05 Tyndale Plains-Hunter, Ltd. Hydrophilic and hydrophobic polyether polyurethanes and uses therefor
JP2873368B2 (ja) * 1996-12-12 1999-03-24 三洋化成工業株式会社 紙塗工用塗料組成物およびそれを用いた塗工紙
US6221425B1 (en) * 1998-01-30 2001-04-24 Advanced Cardiovascular Systems, Inc. Lubricious hydrophilic coating for an intracorporeal medical device
DE19914882A1 (de) * 1999-04-01 2000-10-05 Bayer Ag Selbstvernetzende Polyurethan-, Polyurethan-Polyharnstoff- bzw. Polyharnstoff-Dispersionen für Schlichten
DE10122444A1 (de) * 2001-05-09 2002-11-14 Bayer Ag Polyurethan-Polyharnstoff Dispersionen als Beschichtungsmittel
US7008979B2 (en) * 2002-04-30 2006-03-07 Hydromer, Inc. Coating composition for multiple hydrophilic applications
JP4381742B2 (ja) * 2002-08-01 2009-12-09 セントラル硝子株式会社 防曇性膜及びその形成方法並びに防曇性膜形成用塗布剤
WO2004064770A2 (en) * 2003-01-17 2004-08-05 Government Of The United States Of America As Represented By The Secretary, Department Of Health Andhuman Services Use of smad3 inhibitor in the treatment of fibrosis dependent on epithelial to mesenchymal transition as in the eye and kidney
US20050054774A1 (en) * 2003-09-09 2005-03-10 Scimed Life Systems, Inc. Lubricious coating
DE102004002525A1 (de) * 2004-01-16 2005-08-04 Bayer Materialscience Ag Beschichtungsmittelzusammensetzung
TWI388584B (zh) * 2005-03-04 2013-03-11 Showa Denko Kk The film is formed with a paste
US20060212106A1 (en) * 2005-03-21 2006-09-21 Jan Weber Coatings for use on medical devices
DE102006009928A1 (de) * 2006-03-03 2007-09-06 Aicuris Gmbh & Co. Kg Substituierte Arylsulfonamide
DE102006016639A1 (de) * 2006-04-08 2007-10-11 Bayer Materialscience Ag Verfahren zur Herstellung von Polyurethan-Schäumen
EP2103316A1 (de) * 2008-03-20 2009-09-23 Bayer MaterialScience AG Hydrophile Polyurethandispersionen
EP2103317A1 (de) * 2008-03-20 2009-09-23 Bayer MaterialScience AG Medizinische Geräte mit hydrophilen Beschichtungen
EP2103318A1 (de) * 2008-03-20 2009-09-23 Bayer MaterialScience AG Medizinische Geräte mit hydrophilen Beschichtungen
EP2108383A1 (de) * 2008-04-08 2009-10-14 Bayer MaterialScience AG Medizinische Geräte mit einer antibakteriellen Polyurethanharnstoffbeschichtung
EP2108386A1 (de) * 2008-04-08 2009-10-14 Bayer MaterialScience AG Medizinische Geräte mit einer antimikrobiellen Polyurethanharnstoffbeschichtung
DK2331596T3 (da) * 2008-09-04 2012-05-29 Bayer Materialscience Ag TCD baserede hyddrofile polyurethadispersioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177141A (en) * 1988-10-22 1993-01-05 Bayer Aktiengesellschaft Coating materials containing pur dispersions and solvents and their use for the preparation of water vapor permeable pur coatings
CN1434729A (zh) * 1999-12-15 2003-08-06 C·R·巴德公司 含有银盐胶体的聚合物组合物
CN1800232A (zh) * 2004-12-13 2006-07-12 拜尔材料科学股份公司 高固体聚氨酯-聚脲分散体
DE102006002156A1 (de) * 2006-01-17 2007-07-19 Bayer Materialscience Ag Polyurethan-Polyharnstoff-Dispersionen auf Basis von Polyether-Polycarbonat-Polyolen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110831998A (zh) * 2017-07-04 2020-02-21 科思创德国股份有限公司 包含膨胀型tpu和水基涂层的制品
CN110831998B (zh) * 2017-07-04 2022-04-12 科思创德国股份有限公司 包含膨胀型tpu和水基涂层的制品

Also Published As

Publication number Publication date
WO2009143978A1 (de) 2009-12-03
CN102046685A (zh) 2011-05-04
JP2011523962A (ja) 2011-08-25
US20110077310A1 (en) 2011-03-31
DE102008025614A1 (de) 2009-12-03
HK1157368A1 (zh) 2012-06-29
JP5437364B2 (ja) 2014-03-12
EP2285858A1 (de) 2011-02-23

Similar Documents

Publication Publication Date Title
US8791200B2 (en) TCD based hydrophilic polyurethane dispersions
CN101977640B (zh) 亲水性的聚氨酯分散体
CN102046682A (zh) 亲水聚氨酯涂层
CN102046685B (zh) 亲水性聚氨酯涂料
US20110015724A1 (en) Medical device having hydrophilic coatings
US20110022005A1 (en) Medical device having hydrophilic coatings
CN101977956B (zh) 亲水性聚氨酯溶液
US20110160310A1 (en) Tcb based hydrophilic polyurethane dispersions
CN102482394A (zh) 亲水性聚氨酯脲分散体
JP5566462B2 (ja) シクロヘキサンジメタノールに基づく親水性ポリウレタンウレア
US20120177711A1 (en) Hydrophilic polyurethane urea solutions
HK1157368B (en) Hydrophilic polyurethane coatings
HK1155766A (en) Hydrophilic polyurethane coatings

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1157368

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1157368

Country of ref document: HK

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20170519